Opening up ‘Zero-Knowledge Proof’ technology to promote privacy in age assurance
摘要
谷歌钱包产品经理 Alan Stapelberg 宣布于 2025 年 7 月 3 日开源 ZKP 库，并强调已履行承诺并基于与 Sparkasse 的合作支持欧盟年龄核实；正文详细说明 ZKP 让用户可证明自身符合条件（如 18 岁以上）而不泄露其他数据；列出三方受益：用户获得更私密安全生态、各类企业和依赖方轻松满足隐私需求、开发者自由构建隐私应用、研究者使用高效实现推动新应用；提及欧盟 eIDAS 法规 2026 年生效鼓励成员国整合 ZKP 进欧洲数字身份钱包，并邀请探索 GitHub 代码。
荐读理由
照它给的ZKP库直接开源，就能把隐私证明应用无缝接入中文小圈子项目
原文
Opening up ‘Zero-Knowledge Proof’ technology to promote privacy in age assurance
Jul 03, 2025
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Code is now available.
Alan Stapelberg
Group Product Manager, Google Wallet
Today, we open sourced our Zero-Knowledge Proof (ZKP) libraries, fulfilling apromise and building on our partnership with Sparkasse to support EU age assurance.
Open sourcing these powerful cryptographic tools will make it much easier for private and public sector developers to build their own privacy-enhancing applications and digital ID solutions, meeting an urgent need.
In layperson’s terms, ZKP makes it possible for people to prove that something about them is true without exchanging any other data. So, for example, a person visiting a website can verifiably prove he or she is over 18, without sharing anything else at all.
The goal of sharing ZKP with the open source and cryptography communities reflects our commitment to helping all parties in the ecosystem:
Web and app users benefit from being inhabitants of a more private and secure digital ecosystem.
Businesses and other relying organizations of all sizes can easily leverage this open source solution to meet their privacy needs.
Developers can freely use the ZKP codebase to build privacy-focused applications.
Researchers can use this more efficient and performant ZKP implementation to help create new applications and uses of technology.
The European Union’s eIDAS Regulation set to take effect in 2026 encourages Member States to integrate privacy-enhancing technologies like ZKP into the European Digital Identity Wallet (“EUDI Wallet”). With our commitment to making these ZKP tools openly available, Member States can integrate this into their future EUDI Wallets, accelerating their development.
We're so excited for this new chapter for Zero-Knowledge Proofs and invite you to explore the ZKP codebase on https://github.com/google/longfellow-zk.
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